Novel Compound and Organic Light Emitting Device Comprising the Same

Abstract

The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same:wherein R1 and R3 are described herein.

1 . A compound represented by Chemical Formula 1: 
       
         
           
           
               
               
           
         
         in Chemical Formula 1, 
         at least one R 1  is 
       
       
         
           
           
               
               
           
         
          the rest are R 2 , 
         Ar 1  and Ar 2  are each independently a C 6-60  aryl substituted with R 2 , or a C 2-60  heteroaryl substituted with R 2  and containing at least one heteroatom selected from N, O or S, 
         at least one R 2  is benzofuranyl, dibenzofuranyl, benzothiophenyl, or dibenzothiophenyl; the rest are each independently not present, deuterium, halogen, cyano, a substituted or unsubstituted C 1-60  alkyl, a substituted or unsubstituted C 2-60  alkenyl, a substituted or unsubstituted C 2-60  alkynyl, a substituted or unsubstituted C 3-30  cycloalkyl, or a substituted or unsubstituted C 6-60  aryl, or two adjacent R 2 s are connected to each other to form a substituted or unsubstituted C 1-6  alkylene, and 
         R 3  is a substituted or unsubstituted C 1-60  alkyl. 
       
     
     
         2 . The compound of  claim 1 , wherein:
 one or two R 1  is   
       
         
           
           
               
               
           
         
          and the rest is R 2 . 
       
     
     
         3 . The compound of  claim 1 , wherein:
 Ar 1  and Ar 2  are each independently phenyl substituted with R 2 , or naphthyl substituted with R 2 .   
     
     
         4 . The compound of  claim 1 , wherein:
 at least one R 2  is benzofuranyl, dibenzofuranyl, benzothiophenyl, or dibenzothiophenyl, and the rest are each independently not present, deuterium, a C 1-10  alkyl, or a C 6-10  aryl.   
     
     
         5 . The compound of  claim 1 , wherein:
 at least one R 2  is benzofuranyl, dibenzofuranyl, benzothiophenyl, or dibenzothiophenyl and the rest are each independently not present, deuterium, methyl, propyl, isopropyl, butyl, isobutyl, tertbutyl, or phenyl.   
     
     
         6 . The compound of  claim 1 , wherein:
 R 3  is methyl, ethyl, propyl, isopropyl, butyl, or tertbutyl.   
     
     
         7 . The compound of  claim 1 , wherein:
 the compound represented by Chemical Formula 1 is represented by any one of Chemical Formulas 2 to 4:   
       
         
           
           
               
               
           
         
         in Chemical Formulas 2 to 4, 
         Ar 1 , Ar 2 , R 2 , and R 3  are defined the same as in Chemical Formula 1. 
       
     
     
         8 . The compound of  claim 1 , wherein:
 the compound represented by Chemical Formula 1 is any one selected from the group consisting of:   
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         9 . An organic light emitting device comprising: a first electrode; a second electrode that is provided opposite to the first electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein the at least one organic material layer comprises the compound as set forth in  claim 1 . 
     
     
         10 . The organic light emitting device of  claim 9 , wherein:
 the at least one organic material layer comprising the compound is a light emitting layer.   
     
     
         11 . The organic light emitting device of  claim 10 , wherein:
 the compound is a dopant of the light emitting layer.